Search Results - "Farrell, P. A"

Pragmatic perspective on aerobic scope: peaking, plummeting, pejus and apportioning by Farrell, A. P.

“…A major challenge for fish biologists in the 21st century is to predict the biotic effects of global climate change. With marked changes in biogeographic…”
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The determination of standard metabolic rate in fishes by Chabot, D., Steffensen, J. F., Farrell, A. P.

“…This review and data analysis outline how fish biologists should most reliably estimate the minimal amount of oxygen needed by a fish to support its aerobic…”
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Environment, antecedents and climate change: lessons from the study of temperature physiology and river migration of salmonids by Farrell, A P

“…Animal distributions are shaped by the environment and antecedents. Here I show how the temperature dependence of aerobic scope (the difference between maximum…”
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Oxygen uptake in Pacific salmon Oncorhynchus spp.: when ecology and physiology meet by Eliason, E. J., Farrell, A. P.

“…Over the past several decades, a substantial amount of research has examined how cardiorespiratory physiology supports the diverse activities performed…”
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Tribute to P. L. Lutz: a message from the heart--why hypoxic bradycardia in fishes? by Farrell, A P

“…The sensing and processing of hypoxic signals, the responses to these signals and the modulation of these responses by other physical and physiological factors…”
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The effect of acute temperature increases on the cardiorespiratory performance of resting and swimming sockeye salmon (Oncorhynchus nerka) by Steinhausen, M F, Sandblom, E, Eliason, E J, Verhille, C, Farrell, A P

“…The mechanism underlying the decrease in aerobic scope in fish at warm temperatures is not fully understood and is the focus of this research. Our study…”
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Using maximum heart rate as a rapid screening tool to determine optimum temperature for aerobic scope in Pacific salmon Oncorhynchus spp by Casselman, M. T., Anttila, K., Farrell, A. P.

“…The mean ±s.e. optimum temperature (Topt) for aerobic scope in juvenile coho salmon Oncorhynchus kisutch was determined to be 17·0 ± 0·7° C. The repeated…”
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Pacific Salmon in Hot Water: Applying Aerobic Scope Models and Biotelemetry to Predict the Success of Spawning Migrations by Farrell, A. P., Hinch, S. G., Cooke, S. J., Patterson, D. A., Crossin, G. T., Lapointe, M., Mathes, M. T.

“…Concern over global climate change is widespread, but quantifying relationships between temperature change and animal fitness has been a challenge for…”
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Cardiac plasticity in fishes: environmental influences and intraspecific differences by Gamperl, A Kurt, Farrell, A P

“…Fish cardiac physiology and anatomy show a multiplicity of intraspecific modifications when exposed to prolonged changes in environmentally relevant parameters…”
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The effect of temperature on swimming performance and oxygen consumption in adult sockeye (Oncorhynchus nerka) and coho (O. kisutch) salmon stocks by Lee, C G, Farrell, A P, Lotto, A, MacNutt, M J, Hinch, S G, Healey, M C

“…Our knowledge of the swimming capabilities and metabolic rates of adult salmon, and particularly the influence of temperature on them, is extremely limited,…”
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Excess post-exercise oxygen consumption in adult sockeye (Oncorhynchus nerka) and coho (O. kisutch) salmon following critical speed swimming by Lee, C G, Farrell, A P, Lotto, A, Hinch, S G, Healey, M C

“…The present study measured the excess post-exercise oxygen cost (EPOC) following tests at critical swimming speed (Ucrit) in three stocks of adult, wild,…”
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Simultaneous biologging of heart rate and acceleration, and their relationships with energy expenditure in free-swimming sockeye salmon (Oncorhynchus nerka) by Clark, Timothy Darren, Sandblom, E, Hinch, S. G, Patterson, D. A, Frappell, P. B, Farrell, A. P

“…Monitoring the physiological status and behaviour of free-swimming fishes remains a challenging task, although great promise stems from techniques such as…”
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Low cardiac and aerobic scope in a coastal population of sockeye salmon Oncorhynchus nerka with a short upriver migration by Eliason, E. J., Wilson, S. M., Farrell, A. P., Cooke, S. J., Hinch, S. G.

“…This study showed that a coastal population (Harrison) of Fraser River sockeye salmon Oncorhynchus nerka had a lower aerobic and cardiac scope compared with…”
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Energetics and morphology of sockeye salmon: effects of upriver migratory distance and elevation by Crossin, G. T., Hinch, S. G., Farrell, A. P., Higgs, D. A., Lotto, A. G., Oakes, J. D., Healey, M. C.

“…Depending on population, wild Fraser River sockeye salmon Oncorhynchus nerka travel distances of <100 km to >1100 km and ascend elevations ranging from near…”
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Modelling the future hydroclimatology of the lower Fraser River and its impacts on the spawning migration survival of sockeye salmon by HAGUE, M.J, FERRARI, M.R, MILLER, J.R, PATTERSON, D.A, RUSSELL, G.L, FARRELL, A.P, HINCH, S.G

“…Short episodic high temperature events can be lethal for migrating adult Pacific salmon (Oncorhynchus spp.). We downscaled temperatures for the Fraser River,…”
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The efficacy of field techniques for obtaining and storing blood samples from fishes by Clark, T. D., Donaldson, M. R., Drenner, S. M., Hinch, S. G., Patterson, D. A., Hills, J., Ives, V., Carter, J. J., Cooke, S. J., Farrell, A. P.

“…Prompted by the dramatic increase in the use of blood analyses in fisheries research and monitoring, this study investigated the efficacy of common field…”
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Effects of River Discharge, Temperature, and Future Climates on Energetics and Mortality of Adult Migrating Fraser River Sockeye Salmon by Rand, P. S., Hinch, S. G., Morrison, J., Foreman, M. G. G., MacNutt, M. J., Macdonald, J. S., Healey, M. C., Farrell, A. P., Higgs, D. A.

“…We evaluated the effects of past and future trends in temperature and discharge in the Fraser River on the migratory performance of the early Stuart population…”
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On-line venous oxygen tensions in rainbow trout during graded exercise at two acclimation temperatures by Farrell, A P, Clutterham, S M

“…For most teleost fish, the majority of the myocardial oxygen supply is provided by the oxygen reserve remaining in venous blood after other tissues have…”
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The heart as a working model to explore themes and strategies for anoxic survival in ectothermic vertebrates by Farrell, A.P. (Tony), Stecyk, Jonathan A.W.

“…Most vertebrates die within minutes when deprived of molecular oxygen (anoxia), in part because of cardiac failure, which can be traced to an inadequate…”
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Coupling non-invasive physiological assessments with telemetry to understand inter-individual variation in behaviour and survivorship of sockeye salmon: development and validation of a technique by Cooke, S. J., Crossin, G. T., Patterson, D. A., English, K. K., Hinch, S. G., Young, J. L., Alexander, R. F., Healey, M. C., Van Der Kraak, G., Farrell, A. P.

“…Approximately 200 km from the mouth of the Fraser River, British Columbia, Canada, adult sockeye salmon Oncorhynchus nerka, were gastrically implanted with…”
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